[PATCH] D59449: [clang-tidy] Integrate clang-tidy-diff.py machinery into run-clang-tidy.py

[Zinovy Nis via Phabricator via cfe-commits]

zinovy.nis created this revision.
zinovy.nis added reviewers: alexfh, bkramer.
zinovy.nis added a project: clang-tools-extra.
Herald added subscribers: cfe-commits, xazax.hun.
Herald added a reviewer: serge-sans-paille.
Herald added a project: clang.

This patch adds a new `--diff[=2]` option to `run-clang-tidy.py` to run `clang-tidy` checks against the given diff only, instead of the whole file.

Usage:

  git show -U2 | /some/path/1/run-clang-tidy.py --diff=1 -clang-tidy-binary /some/path/2/clang-tidy.exe -p out/Debug -checks=-*,performance-* option_regex


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D59449

Files:
  clang-tidy/tool/run-clang-tidy.py

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